class Token {
	public static final int TOK_HELP = 0;
	public static final int TOK_EXIT = 1;
	public static final int TOK_ADD_BOOK = 2;
	public static final int TOK_FIND_ISBN = 3;
	public static final int TOK_FIND_AUTHORS = 4;
	public static final int TOK_FIND_TITLE = 5;
	public static final int TOK_NEXT_FOUND_BOOK = 6;
	public static final int TOK_PRINT_CURRENT = 7;
	public static final int TOK_RENT_BOOK = 8;
	public static final int TOK_RETURN_BOOK = 9;
	public static final int TOK_REMOVE_CURRENT = 10;
	public static final int TOK_STRING = 11;
	public static final int TOK_SEMI = 12;

	int type;
	String value;

	Token(int t) {
		type = t;
		value = null;
	}

	Token(int t, String v) {
		type = t;
		value = v;
	}
}
